EXHIBIT 23.

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 33-33682, 33-62496, 333-114107, 333-117818 and 333-150471 on Form S-3, and Nos. 33-30856, 33-38411, 33-38587, 33-44788, 333-47403, 33-52691, 33-30756-02, 33-58187, 333-02873, 333-65424, 333-107414 and 333-144893 on Form S-8, of our reports dated February 17, 2012, relating to the consolidated financial statements of Bristol-Myers Squibb Company and subsidiaries (the “Company”) and the effectiveness of the Company’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of the Company for the year ended December 31, 2011.

/s/ DELOITTE & TOUCHE LLP

Parsippany, New Jersey

February 17, 2012

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